1085. Combination with the non-personal parts

In combination with the non-personal parts of the verb-system — with participles, infinitives, and gerunds — the general rule is that the prefix loses its accent, in favor of the other member of the compound. But the prefix instead has sometimes the accent: namely, when combined —

b. But some exceptions to this rule are met with: e. g., in RV., nicitá, niṣkṛtá, praçastá, niṣattá, etc.; in AV., apakrītá.

c. with the infinitive in tu (972), in all its cases: thus, sáṁhartumto collect;ápidhātaveto cover up;ávagantosof descending. The doubly accented dative in tavāí retains its final accent, but throws the other back upon the prefix: thus, ánvetavāífor following;ápabhartavāífor carrying off.